.logo {
  height: 32px;
  margin: 16px;
  background: rgba(255, 255, 255, 0.3);
}

.head {
  border-bottom: 1px solid orange;
  background: #fff;
}

.nav {
  width: 100%;
  height: 42px;
  background-color: #fff;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;

  .left {
    width: 150px;
    height: 42px;
    background: #fff;
    font-size: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;

    &::after {
      content: '';
      position: absolute;
      width: 0;
      height: 0;
      border: 10px solid;
      border-color: #fff transparent transparent;
      left: 50%;
      transform: translateX(-50%);
      top: 100%;
    }
  }
}
